Probability of severe weather within 25 miles of a point.Hatched Area: 10% or greater probability of significant severe within 25 miles of a point.

SPC AC 030728
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0228 AM CDT MON SEP 03 2012
VALID 051200Z - 061200Z
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PORTIONS OF THE
MIDWEST/OH VALLEY/GREAT LAKES REGION...
...SYNOPSIS...
FAST CYCLONIC FLOW ALOFT WILL PERSIST ACROSS MOST OF THE NRN CONUS
THIS PERIOD...ON SRN FRINGES OF A LARGE CENTRAL CANADA TROUGH.
SEVERAL WEAK VORTICITY MAXIMA ARE EMBEDDED WITHIN THIS FLOW --
INCLUDING ONE PROGGED TO BE MOVING QUICKLY ACROSS THE MIDWEST REGION
IN CONJUNCTION WITH A SURFACE COLD FRONT. THIS SYSTEM WILL SUPPORT
AN AREA OF CONVECTION AND ASSOCIATED SEVERE POTENTIAL --
PARTICULARLY DURING THE AFTERNOON AND EARLY EVENING HOURS.
...MIDWEST/GREAT LAKES/OH VALLEY AREA...
SHOWERS AND STORMS -- POSSIBLY ONGOING OVER WRN PORTIONS OF THE
REGION EARLY -- SHOULD CONTINUE/INCREASE INTO THE AFTERNOON...AS
PRE-FRONTAL HEATING OF THE BOUNDARY LAYER RESULTS IN MODERATE
DESTABILIZATION. WITH MODERATELY STRONG WNWLY FLOW ALOFT
PERPENDICULAR TO THE FRONT...POTENTIAL FOR LOCALLY DAMAGING WINDS IS
APPARENT -- WITH AT LEAST A BROKEN/SEMI-ORGANIZED LINE APPEARING
FAIRLY LIKELY ATTM BY MID TO LATE AFTERNOON. THUS...WILL INTRODUCE
SLIGHT RISK ACROSS THIS AREA...TO COVER THE WIND THREAT AS WELL AS
HAIL POTENTIAL.
..GOSS.. 09/03/2012
CLICK TO GET WUUS03 PTSDY3 PRODUCT
NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z